发布时间:2025-02-09 16:32:33
开关都是控制一根火线的,一根火线进去后并到其它开关上,上面进电源线,红线是往其它开关并接的。下面接用电器的四个火线,一根去一个灯,然后每个灯的零线直接和电源线的零线接好,开关就可以控制了
一间屋子,长5m,宽3m,复合地板的尺寸:1200mm×1900mm×18mm,请问在做预算时,至少需要多少块地板
2025-02-09 16:32:33 2025-02-09 16:32:33 2025-02-09 16:32:33 2025-02-09 16:32:33 2025-02-09 16:32:33 2025-02-09 16:32:33 2025-02-09 16:32:33不知是不是巧合在人脸考勤机头天录取信息我第二天便开始发烧夜间
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